Is Sonic Underground coming back?
Sonic Underground (1999–1999) — children on UPN
About Sonic Underground
Sonic Underground ended on October 22, 1999, on UPN.
Sonic Underground was a children's animated series that aired in 1999. The show was based on the Sonic the Hedgehog franchise and followed the adventures of Sonic, Sonia, and Manic, who were the children of Queen Aleena Hedgehog. As infants, the siblings were separated and hidden to fulfill a prophecy that they would reunite to overthrow the villainous Doctor Robotnik and restore their mother to the throne of Mobius.
The series was a story about heroism and family, set in a fantastical world where the trio embarked on quests to find their estranged mother and reclaim their kingdom. It was a 40-episode season that aired over two months, combining action, adventure, and musical elements typical of children's programming of that era. The show was designed to appeal to young viewers with its colorful characters and engaging storyline.
Sonic Underground episode schedule
40 aired
Aired · 40
| Date | Ep. | Title |
|---|---|---|
| October 22, 1999 | S1·E40 | Virtual Danger |
| October 21, 1999 | S1·E39 | The Pendant |
| October 20, 1999 | S1·E38 | The Art of Destruction |
| October 19, 1999 | S1·E37 | Bartleby the Prisoner |
| October 18, 1999 | S1·E36 | Sleepers |
| October 15, 1999 | S1·E35 | The Big Melt |
| October 14, 1999 | S1·E34 | Sonia's Choice |
| October 13, 1999 | S1·E33 | Healer |
| October 12, 1999 | S1·E32 | Haircraft in Space |
| October 11, 1999 | S1·E31 | Country Crisis |
| October 8, 1999 | S1·E30 | Harmony or Something |
| October 7, 1999 | S1·E29 | New Echidna in Town |
| October 6, 1999 | S1·E28 | Getting to Know You |
| October 5, 1999 | S1·E27 | No Hedgehog Is an Island |
| October 4, 1999 | S1·E26 | Wedding Bell Blues |
| October 1, 1999 | S1·E25 | Flying Fortress |
| September 30, 1999 | S1·E24 | Six Is a Crowd |
| September 29, 1999 | S1·E23 | The Hedgehog in the Iron Mask |
| September 28, 1999 | S1·E22 | Mummy Dearest |
| September 27, 1999 | S1·E21 | Dunes Day |
| September 24, 1999 | S1·E20 | Three Hedgehogs and a Baby |
| September 23, 1999 | S1·E19 | The Jewel in the Crown |
| September 22, 1999 | S1·E18 | When in Rome ... |
| September 21, 1999 | S1·E17 | Head Games |
| September 20, 1999 | S1·E16 | Friend or Foe |
| September 17, 1999 | S1·E15 | Sonic Tonic |
| September 16, 1999 | S1·E14 | Bug! |
| September 15, 1999 | S1·E13 | Artifact |
| September 14, 1999 | S1·E12 | A Hedgehog's Home Is Her Castle |
| September 13, 1999 | S1·E11 | Winner Fakes All |
Show 10 earlier episodes
| September 10, 1999 | S1·E10 | Come Out Wherever You Are |
| September 9, 1999 | S1·E9 | The Last Resort |
| September 8, 1999 | S1·E8 | Who Do You Think You Are |
| September 7, 1999 | S1·E7 | The Deepest Fear |
| September 6, 1999 | S1·E6 | Tangled Webs |
| September 3, 1999 | S1·E5 | Underground Masquerade |
| September 2, 1999 | S1·E4 | The Price of Freedom |
| September 1, 1999 | S1·E3 | Mobodoon |
| August 31, 1999 | S1·E2 | To Catch a Queen |
| August 30, 1999 | S1·E1 | Beginnings |
